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This involves switching from kvm_open(3) to kvm_openfiles(3). The only
difference is that the latter has saner error reporting (see the man
page for details). We can now fatally report the error rather than just
calling assert(3).

Add "p" to Help

Fix low CPU usage reporting in FreeBSD

Display them properly. Not fully convinced of the "no perm" message...

Once a process goes zombie on Linux, /proc/PID/cmdline
gets empty. So, when we detect it is a zombie we stop
reading this file.
For processes that were zombies before htop started,
there's no way to get the full name.
Closes #49.

Shouldn't be needed, but I had to make this tweak to make this work again.

Thank you @Explorer09 for the push!
Closes #417.

Also fixes the basename offset for highlighting the basename.
Closes #379.

Closes #370.

Based on: http://stackoverflow.com/questions/6788274/ios-mac-cpu-usage-for-thread
and       https://github.com/max-horvath/htop-osx/blob/e86692e869e30b0bc7264b3675d2a4014866ef46/ProcessList.c
This should be a fix for #361.

This simplifies the protocol between the platform-independent
and platform-specific parts. The platform-specific parts
were supposed to re-determine the value of process->show
on each iteration, and the Darwin subsystem wasn't doing that.
Instead of adding the code to the Darwin part, I lifted the
burden of the OS-specific of resetting process->show: now
they can choose to hide a process if they want to (e.g.
detecting kernel threads) but are not required to
(e.g. on Darwin where we're not listing threads separately (yet?)).
Fixes tree view collapsing/expanding on OSX. Closes #416.

Closes #393.

(Regression) Typo in the word "prority" -> "priority"

Add MEM% for processes in process list on FreeBSD.

Issue noticed by GCC6 -Wmisleading-indentation.
Thanks @JIghtuse and @Explorer09!
Closes #409.

Simplify autogen.sh

Make use of the autoreconf tool

Got a report in #397 that htop runs in NetBSD
masquerading as Linux and using a compatibility /proc
(like we used to in FreeBSD) and that it builds fine
apart from this syscall.

(Thanks @coypoop at #397 for the heads up!)

htop currently expects m_size and m_resident in pages (Process.c).
According to the proc_info.h header, the values returned by libproc
are in bytes:
http://www.opensource.apple.com/source/xnu/xnu-1456.1.26/bsd/sys/proc_info.h
Eventually we should change the htop crossplatform API to expect memory
in bytes, but this is the smaller change that should fix it.
Closes #385.

Suppress compiler warnings on FreeBSD

Fix process memory on FreeBSD